String light bulb



FIG. 1 is a perspective view of a string light bulb showing my newdesign;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a perspective view thereof, shown in an environment of use.

The broken lines in the drawings depict portions of the string lightbulb that form no part of the claimed design. The other broken linesshown in FIG. 9 illustrate environment and form no part of the claimeddesign.

CLAIM The ornamental design for a string light bulb, as shown and described. 